/// <summary>
/// Updates existing order using Alpaca REST API endpoint.
/// </summary>
/// <param name="request">Patch order request parameters.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
/// <returns>Read-only order information object for updated order.</returns>
public async Task <IOrder> PatchOrderAsync(
ChangeOrderRequest request,
CancellationToken cancellationToken = default)
{
request.EnsureNotNull(nameof(request)).Validate();
var changeOrder = new JsonChangeOrder
{
Quantity = request.Quantity,
TimeInForce = request.Duration,
LimitPrice = request.LimitPrice,
StopPrice = request.StopPrice,
ClientOrderId = request.ClientOrderId,
};
await _alpacaRestApiThrottler.WaitToProceed(cancellationToken).ConfigureAwait(false);
using var httpRequest = new HttpRequestMessage(_httpMethodPatch,
new Uri($"orders/{request.OrderId:D}", UriKind.RelativeOrAbsolute))
{
Content = toStringContent(changeOrder)
};
using var response = await _httpClient.SendAsync(httpRequest, cancellationToken)
.ConfigureAwait(false);
return(await response.DeserializeAsync <IOrder, JsonOrder>()
.ConfigureAwait(false));
}
/// <summary>
/// Updates existing order using Alpaca REST API endpoint.
/// </summary>
/// <param name="orderId">Server side order identifier.</param>
/// <param name="quantity">Updated order quantity or <c>null</c> if quantity is not changed.</param>
/// <param name="duration">Updated order duration or <c>null</c> if duration is not changed.</param>
/// <param name="limitPrice">Updated order limit price or <c>null</c> if limit price is not changed.</param>
/// <param name="stopPrice">Updated order stop price or <c>null</c> if stop price is not changed.</param>
/// <param name="clientOrderId">Updated client order ID or <c>null</c> if client order ID is not changed.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
/// <returns>Read-only order information object for updated order.</returns>
public async Task <IOrder> PatchOrderAsync(
Guid orderId,
Int64?quantity = null,
TimeInForce?duration = null,
Decimal?limitPrice = null,
Decimal?stopPrice = null,
String clientOrderId = null,
CancellationToken cancellationToken = default)
{
if (!string.IsNullOrEmpty(clientOrderId) &&
clientOrderId.Length > 48)
{
clientOrderId = clientOrderId.Substring(0, 48);
}
var changeOrder = new JsonChangeOrder
{
Quantity = quantity,
TimeInForce = duration,
LimitPrice = limitPrice,
StopPrice = stopPrice,
ClientOrderId = clientOrderId,
};
await _alpacaRestApiThrottler.WaitToProceed(cancellationToken).ConfigureAwait(false);
using (var request = new HttpRequestMessage(_httpMethodPatch,
new Uri($"orders/{orderId:D}", UriKind.RelativeOrAbsolute)))
{
using (var stringWriter = new StringWriter())
{
var serializer = new JsonSerializer();
serializer.Serialize(stringWriter, changeOrder);
request.Content = new StringContent(stringWriter.ToString());
}
using (var response = await _alpacaHttpClient.SendAsync(request, cancellationToken)
.ConfigureAwait(false))
{
return(await deserializeAsync <IOrder, JsonOrder>(response)
.ConfigureAwait(false));
}
}
}
